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SN74LVTH2952DGVR Datasheet(PDF) 6 Page - Texas Instruments |
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SN74LVTH2952DGVR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 17 page SN54LVTH2952, SN74LVTH2952 3.3V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3STATE OUTPUTS SCBS710F − OCTOBER 1997 − REVISED OCTOBER 2003 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirement over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) SN54LVTH2952 SN74LVTH2952 VCC = 3.3 V ± 0.3 V VCC = 2.7 V VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT MIN MAX MIN MAX MIN MAX MIN MAX fclock Clock frequency 150 150 150 150 MHz tw Pulse duration CLK high 3.3 3.3 3.3 3.3 ns tw Pulse duration CLK low 3.3 3.3 3.3 3.3 ns A or B before CLK ↑ Data high 1.6 2.2 1.5 2.1 tsu Setup time A or B before CLK ↑ Data low 1.6 2.2 1.5 2.1 ns tsu Setup time CE before CLK ↑ Data high 1.6 1.9 1.5 1.8 ns CE before CLK ↑ Data low 2 2.6 1.9 2.5 th Hold time A or B after CLK ↑ 1 0.2 1 0.2 ns th Hold time CE after CLK ↑ 1.2 0.2 1.2 0.2 ns switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) SN54LVTH2952 SN74LVTH2952 PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 3.3 V ± 0.3 V VCC = 2.7 V VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX MIN TYP† MAX MIN MAX fmax 150 150 150 150 MHz tPLH CLKBA or A or B 1.2 4.8 5.5 1.3 2.9 4.6 5.3 ns tPHL CLKBA or CLKAB A or B 1.2 4.8 5.5 1.3 3.1 4.6 5.3 ns tPZH OEBA or OEAB A or B 1 4.8 5.9 1.1 2.6 4.6 5.8 ns tPZL OEBA or OEAB A or B 1 4.8 5.9 1.1 3 4.6 5.8 ns tPHZ OEBA or OEAB A or B 1.2 5.6 6 1.3 3.6 5.4 5.9 ns tPLZ OEBA or OEAB A or B 1.5 5.4 5.6 1.6 3.6 5.1 5.3 ns † All typical values are at TA = 25°C. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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